The tiltwing is an aircraft configuration waiting for its time to come. Despite successful prototype flights in the 1960s, no tiltwing design has entered production. But the emergence of electric propulsion has given the concept another chance.

Swiss startup Dufour Aerospace has chosen the configuration for its aEro3 electric vertical-takeoff-and-landing (eVTOL) aircraft. The aEro3 combines VTOL capability with cruise efficiency and speed through its tiltwing configuration and has substantially lower energy and maintenance costs than a helicopter, thanks to distributed electric propulsion.

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